<template>
	<div class="zh-importmore">
        <nav-header>
			<template slot="menuBefore">
				<li><router-link to="/user/org/organization" tag="a">组织架构管理</router-link></li>
				<li class="gap">&gt;</li>
			</template>
		</nav-header>
		<div class="zh-import-comter">			
				<el-button plain @click="downloadDemo">下载模板</el-button>
				<uploader 
					:options="uploadOptions" 
					:autoStart="false" ref="uploader" 
					:file-status-text="statusText" 
					@files-submitted="fileSubmit" 
					@file-removed="fileRemoved" 
					@file-success="fileSuccess" 
					@file-error="fileFail"  
					class="uploader-example"
				>
				    <uploader-unsupport></uploader-unsupport>
				    <uploader-btn :directory="false" :attrs="attrs" v-if="selectFileShow" :single="true">选择文件</uploader-btn>
				    <uploader-list  v-if="!selectFileShow"></uploader-list>
				</uploader>
				<el-button type="primary" v-if="!selectFileShow" @click="fileUpload" style="margin-top: 10px;">确定导入</el-button>
		</div>
		<div class="zh-import-text">
			<p>注意事项: </p>
			<p>1、格式支持：Excel2003版本以上的 <span>xls/xlsx</span>格式。 </p>
			<p>2、模板蓝色底文字不能删除。</p>
			<p>3、组织架构需要按照学段-年级-班级的顺序填写，不支持跳过学段或年级进行填写班级。</p>
		</div>
		<div class="zh-import-table">
			<p>例：</p>
			<div class="zh-table">
				<div class="zh-table-contents">
					<el-table
					    :data="importData"
					    border
					    style="width: 100%">
						<el-table-column
					      prop="1"
					      label="学段"
					      align="center"
					      show-overflow-tooltip
					      >
					    </el-table-column>
						<el-table-column
					      prop="2"
					      label="年级"
					      align="center"
					      show-overflow-tooltip
					      >
					    </el-table-column>
						<el-table-column
					      prop="3"
					      label="班级"
					      align="center"
					      show-overflow-tooltip
					      >
					    </el-table-column>
					</el-table>
				</div>
			</div>
		</div>

		<!-- 上传文件错误弹窗 -->
		<el-dialog :close-on-click-modal="false" :close-on-press-escape="false" title="上传错误" :visible.sync="showError" class="uploadError" width="650px">
			<ul>
				<li v-for="(item, idx) in errorMsg" :key="idx">{{item}}</li>
			</ul>
			<div slot="footer" class="dialog-footer">
			    <el-button type="primary" @click="showError = false">确定</el-button>
			</div>
		</el-dialog>
	</div>
</template>
<script>
    import {downloadBatchDemo, uploaderFileFail, longTimeMessage} from './../../../tools/tool';

	export default {
	    data() {
		    return {
				app_code: sessionStorage.getItem('CheckSchoolAppCode'),
		    	messageObj:{},
		    	statusText: {
			      	success: '上传成功',  
			      	error: '上传出错',  
			     	uploading: '正在上传...',  
			      	paused: '暂停',  
			      	waiting: '等待上传'  
				},
				selectFileOrNot:false,  //是否选中文件
			    uploadOrNot:false, 		//是否已经上传
			    uploadInfo:{
					file_name:'',
					file_path:'',
					file_size:0
				},
				attrs: {
			      	accept: ['application/vnd.ms-excel','application/vnd.openxmlformats-officedocument.spreadsheetml.sheet']
			    },
		    	uploadOptions: {
			          target: this.BASE_URL+'/api/user/vue_userdemo_upload',
			          testChunks: false,
			          headers:{Authorization : `Bearer `+this.$g.access_token},
			    },
		        fileList: [],
	            rules: {},
	      		selectFileShow: true,//是否显示选择文件按钮
				uploadRetryTimes: 100,//文件最大重传次数
				importData: [
                    {
						1: "小学",
						2: "一年级",
						3: "1班",
                    },
                    {
						1: "初中",
						2: "初一",
						3: "1班",
                    }
                ],
                excelUploader: null, // 上传组件引用             
                showError: false,   // 控制错误弹窗显隐
				errorMsg: [],   // 存放上传错误信息
	      	}
        },
        mounted () {  
            this.$nextTick(() => {  
                this.excelUploader = this.$refs.uploader.uploader;
            })  
		},
	    methods: {
            /**
             * 下载导出模板
             */
	    	downloadDemo(){
                let url = this.BASE_URL+'/index/resource/org_import_demo'
                downloadBatchDemo(url);
	    	},
			submitForm(formName) {
				this.$refs[formName].validate((valid) => {
					if (valid) {
						if( this.selectFileOrNot ){
							this.fileUpload();
						}else{
							this.resourceSave();
						}
					} else {
						return false;
					}
				});
			},
	        resourceSave(){
				let resourceParam = {};
				if( this.uploadOrNot ) {
					resourceParam.path = this.uploadInfo.file_path;
				}
            	let success = ( data=>{
            		this.$message.success(data.msg);
                    
                    setTimeout(() => {
                        this.$router.push('/user/org/organization');
                    }, 1000);
            	})
            	let fail = (res => {
                    // longTimeMessage(this, res, 15000);
                    this.errorMsg = typeof res.msg == 'string' ? [res.msg] : res.msg;
					this.showError = true;
            	}) 
            	
                this.$ajax.post('api/org/vue_org_import', resourceParam, {func: {success: success, fail: fail}})	
			},
			//上传成功的事件  
			fileSuccess (rootFile, file, message, chunk) { 
				this.selectFileShow = true;
                var mess = eval('(' + message + ')');
                mess = handleResponseData( mess );
                
			 	if(parseInt( mess.data.status ) ===1 ){
			  		this.uploadOrNot = true;
			  		this.uploadInfo.file_name = mess.data.file_name;
			  		this.uploadInfo.file_path = mess.data.file_path;
			  		this.uploadInfo.post_fix = mess.data.post_fix;
			  		this.resourceSave();
			    }
			    this.excelUploader.removeFile(file);
			},
			fileFail(rootFile, file, message, chunk){
				uploaderFileFail(this, this.excelUploader, file, message);
			},
			//文件添加到上传队列后触发 -- 过滤文件格式
			fileSubmit(files, fileList, event){
				for (var i = 0 ; i < fileList.length ; i++ ) {
                    if( this.excelUploader.fileList.length  > 1  ){
                        this.excelUploader.removeFile( this.excelUploader.fileList[0] );
                    }
                    
                    this.uploadInfo.file_size = fileList[i].size;
                    this.selectFileOrNot = true;
                    this.selectFileShow = false;
				}
			},
			fileRemoved(file){
				this.selectFileOrNot = false;
				this.selectFileShow = true;
			},
			fileUpload(){
                // 开始或继续上传
				this.excelUploader.upload();
			},
	    },
		destroyed(to, from, next) {
			this.$message.closeAll();
		},
	}
</script>
<style lang="scss">
	.zh-importmore {
		.zh-import-comter {
			margin-top: 20px;
		}
		.uploader-example {
			margin-top: 20px;
		}
		.zh-import-text {
			font-size: 12px;
		    color: #999;
		    line-height: 30px;
		    margin: 20px;
		    p {
		    	margin: 0;
		    }
		    span {
			    // color: red;
			}
		}
		.zh-import-table {
			p {
				font-size: 16px;
				margin-bottom: 20px;
            }
            
            .zh-table-contents .el-table__header-wrapper table thead tr {
				th:nth-child(1), th:nth-child(2),th:nth-child(3) {
					// color: red;
				}
			}
            
		}
		.uploader-list {
		    .uploader-file-pause {
		      display: none !important;
		    }
		    .uploader-file-status {
		      text-indent: 0;
		    }
 		}
 		.uploadError .el-dialog__body {
			ul{
				margin-bottom: 20px;
				max-height: 300px;
				overflow-x: hidden;
				color: #FF3131
			}

		}
	}
</style>